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dex/vendor/gopkg.in/square/go-jose.v2/jwt/jwt.go

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/*-
* Copyright 2016 Zbigniew Mandziejewicz
* Copyright 2016 Square, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package jwt
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import (
"gopkg.in/square/go-jose.v2"
"gopkg.in/square/go-jose.v2/json"
)
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// JSONWebToken represents a JSON Web Token (as specified in RFC7519).
type JSONWebToken struct {
payload func(k interface{}) ([]byte, error)
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Headers []jose.Header
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}
// Claims deserializes a JSONWebToken into dest using the provided key.
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func (t *JSONWebToken) Claims(key interface{}, dest ...interface{}) error {
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b, err := t.payload(key)
if err != nil {
return err
}
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for _, d := range dest {
if err := json.Unmarshal(b, d); err != nil {
return err
}
}
return nil
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}
// ParseSigned parses token from JWS form.
func ParseSigned(s string) (*JSONWebToken, error) {
sig, err := jose.ParseSigned(s)
if err != nil {
return nil, err
}
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headers := make([]jose.Header, len(sig.Signatures))
for i, signature := range sig.Signatures {
headers[i] = signature.Header
}
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return &JSONWebToken{sig.Verify, headers}, nil
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}
// ParseEncrypted parses token from JWE form.
func ParseEncrypted(s string) (*JSONWebToken, error) {
enc, err := jose.ParseEncrypted(s)
if err != nil {
return nil, err
}
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return &JSONWebToken{enc.Decrypt, []jose.Header{enc.Header}}, nil
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}